What is the Least Common Multiple of 18731 and 18743?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 18731 and 18743 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18731 and 18743, than apply into the LCM equation.

GCF(18731,18743) = 1
LCM(18731,18743) = ( 18731 × 18743) / 1
LCM(18731,18743) = 351075133 / 1
LCM(18731,18743) = 351075133

Least Common Multiple (LCM) of 18731 and 18743 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18731 and 18743. First we will calculate the prime factors of 18731 and 18743.

Prime Factorization of 18731

Prime Factorization of 18743

Now multiplying the highest exponent prime factors to calculate the LCM of 18731 and 18743.

LCM(18731,18743) = 18731¹ × 18743¹
LCM(18731,18743) = 351075133